refreshes, cools
Selon la météo, le temps se rafraîchit demain.
According to the weather forecast, the weather will get cooler tomorrow.
Le temps se rafraîchit.
The weather is getting cooler.
— Les Nuits de Cabiria (1957)
Ça rafraîchit.
It's refreshing.
— Gangs of Wasseypur : 1ère partie (2012)
Ça se rafraîchit.